A satellite moves with constant speed in a circular orbit about Earth

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

A satellite moves with constant speed

v

in a circular orbit about Earth. An object of mass

m

is ejected from the satellite so that it just escapes Earth's gravitational pull. At the time of ejection, the kinetic energy of the object is (1)

\frac{1}{2}mv^2

(2)

mv^2

(3)

\frac{3}{2}mv^2

(4)

2mv^2